Testing apparatus
A testing apparatus which is particularly suitable for leather comprises two pairs of rollers between which the leather passes. By adjusting the speeds and spacings of the rollers and by measuring the torques and positions of the rollers, various characteristics of the leather can be determined. For...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A testing apparatus which is particularly suitable for leather comprises two pairs of rollers between which the leather passes. By adjusting the speeds and spacings of the rollers and by measuring the torques and positions of the rollers, various characteristics of the leather can be determined. For example, the Young's Modulus can be determined to find low strain regions, a measure of softness can be obtained, shear stress across the thickness can be determined, as can compressiblity and thickness. A laser sensor can be provided to measure surface profile (roughness). |
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